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About GMT

Capabilities You Can Count On

Garrison Thompson is a seasoned executive with more than 30 years of leadership experience across the aerospace, defense, space, federal, and commercial sectors. Throughout his career, he has helped organizations accelerate growth, strengthen operations, lead transformational change, and successfully navigate complex business challenges.

His executive experience includes executive leadership roles across business development, operations, engineering, program management, capture strategy, organizational transformation, M&A integration, and enterprise growth initiatives. Garrison has supported organizations ranging from emerging growth companies to Fortune 100 enterprises, consistently helping executive leadership teams align strategy, execution, and measurable results.

Today, GMT Consulting serves as a trusted advisor to executives, investors, and growth-focused organizations seeking practical guidance, objective insight, and experienced leadership without the cost and commitment of adding another full-time executive.

Drawing on more than three decades of executive leadership across aerospace, defense, space, and federal markets, GMT Consulting helps organizations accelerate growth, strengthen competitive positioning, improve operational performance, and confidently navigate complex business challenges. We partner directly with executive teams to develop winning strategies, shape growth initiatives, build strategic partnerships, and deliver measurable business results where they matter most.

Whether advising executive leadership, supporting growth initiatives, strengthening competitive positioning, or guiding organizational transformation, GMT Consulting brings practical experience, strategic perspective, and disciplined execution to every client engagement.

Why Executives Choose GMT

GMT Consulting partners with executive teams to accelerate growth, improve execution, strengthen competitive positioning, and deliver measurable business results. Our advisory services are tailored to each client's objectives, providing executive-level insight, practical guidance, seasoned judgment, and disciplined execution that drive meaningful outcomes.

Whether advising leadership teams, supporting growth initiatives, strengthening competitive positioning, or guiding organizational transformation, GMT Consulting brings practical experience, strategic perspective, and disciplined execution to every client engagement.

Our approach combines decades of executive leadership experience, deep industry relationships, and proven business strategies to help organizations win smarter and grow faster. Every engagement delivers objective guidance, practical solutions, and measurable business value.

Explore Our Services

Executive Experience

Strategic Growth Advisory

Advises executive leadership teams on growth strategy, market positioning, opportunity development, and business expansion. Helps organizations identify new markets, strengthen competitive advantage, align investments with strategic objectives, and accelerate growth across aerospace, defense, space, and federal markets.

Capture Excellence

Strategic Growth Advisory

Guides organizations through the full business capture lifecycle, including opportunity assessment, competitive positioning, solution differentiation, executive reviews, and pursuit strategy. Brings decades of experience helping organizations improve win probability and secure complex federal, defense, and commercial opportunities.

Strategic Partnerships

Strategic Growth Advisory

Strategic Partnerships

Develops and strengthens strategic partnerships, teaming agreements, joint ventures, and industry alliances that expand market access and create sustainable competitive advantage. Helps organizations build high-value partner ecosystems that accelerate growth and mission success while creating lasting strategic relationships.

Executive Leadership

Organizational Transformation

Strategic Partnerships

Provides executive leadership across operations, business development, engineering, technology, program management, and organizational performance. Has led organizations from emerging growth companies to Fortune 100 enterprises, delivering measurable business results and long-term enterprise value.

Organizational Transformation

Leads organizations through growth, transformation, operational improvement, and organizational change. Focuses on leadership alignment, governance, business process optimization, and scalable operating models that improve organizational performance and position companies for sustained long-term success.

M&A and Business Integration

Organizational Transformation

Supports acquisitions, post-merger integration, strategic planning, and enterprise value creation initiatives. Provides executive guidance on organizational alignment, operational integration, post-acquisition transformation, and growth strategies that maximize enterprise value and business performance across organizations.